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|Title:||Crossed product C*-algebras and algebraic topology|
|Citation:||Packer, J.A. (1996-05). Crossed product C*-algebras and algebraic topology. Reviews in Mathematical Physics 8 (4) : 623-637. ScholarBank@NUS Repository.|
|Abstract:||We discuss some recent developments that illustrate the interplay between the theory of crossed products of continuous trace C*-algebras and algebraic topology, summarizing results relating topological invariants coming from the theory of fiber bundles to continuous trace C*-algebras and their automorphism groups and the structure of the associated crossed product C*-algebras. This survey article starts from the classical theory of Dixmier, Douady, and Fell, and discusses the more recent work of Echterhoff, Phillips, Raeburn, Rosenberg, and Williams, among others. The topological invariants involved are Čech cohomology, the cohomology of locally compact groups with Borel cochains of C. Moore, and the recently introduced equivariant cohomology theory of Crocker, Kumjian, Raeburn and Williams.|
|Source Title:||Reviews in Mathematical Physics|
|Appears in Collections:||Staff Publications|
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